Psalms 55:22 - Matthew Poole's English Annotations on the Holy Bible

Thy burden, or portion, Heb. gift; whatsoever affliction God giveth or sendeth to thee; for even the sufferings of good men are called God's gifts in Scripture, Philippians 1:29 1 Thessalonians 18:11. So it is a synecdochical expression. Or, whatsoever gift thou desirest from him. Although the following words of the verse seem to restrain it to afflictions. The sense is, All thy affairs, and crosses, and cares, and fears, lay them upon the shoulders of the Almighty by faith and prayer, with a confident expectation of a good issue. He directeth this speech to himself, or his own soul, as he oft doth in this book, and withal to all good men in like circumstances. To be moved, i.e. to be removed, to wit, from his sure and happy estate. Or, which agrees as well with the Hebrew, he shall not suffer the righteous to be moved, or fall for ever, as he doth wicked men; though he may for a season suffer them to be shaken, yet he will not suffer them to be utterly overwhelmed.